一、Nacos简介
Nacos 是阿里巴巴推出来的一个新开源项目，这是一个更易于构建云原生应用的动态服务发现、配置管理和服务管理平台。
Nacos 致力于帮助您发现、配置和管理微服务。Nacos 提供了一组简单易用的特性集，帮助您快速实现动态服务发现、服务配置、服务元数据及流量管理。
Nacos 帮助您更敏捷和容易地构建、交付和管理微服务平台。 Nacos 是构建以“服务”为中心的现代应用架构 (例如微服务范式、云原生范式) 的服务基础设施。
二、服务提供配置
- Maven依赖
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.1.7.RELEASE</version>
<relativePath/>
</parent>
<groupId>com.xtsz</groupId>
<artifactId>provider</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>provider</name>
<properties>
<java.version>1.8</java.version>
<spring-cloud.version>Greenwich.SR2</spring-cloud.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<!--nacos 一定要注意版本问题-->
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
<version>0.9.0.RELEASE</version>
</dependency>
</dependencies>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-dependencies</artifactId>
<version>${spring-cloud.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
注意：版本 0.2.x.RELEASE 对应的是 Spring Boot 2.x 版本，版本 0.1.x.RELEASE 对应的是 Spring Boot 1.x 版本。
组件版本关系：https://github.com/alibaba/spring-cloud-alibaba/wiki/%E7%89%88%E6%9C%AC%E8%AF%B4%E6%98%8E
- 启动类配置
@SpringBootApplication
@EnableDiscoveryClient
public class ProviderApplication {
public static void main(String[] args) {
SpringApplication.run(ProviderApplication.class, args);
}
}
- 配置
server.port=8010
spring.application.name=service-provider
spring.cloud.nacos.discovery.server-addr=192.168.247.130:8848
- 控制器
@RestController
@RequestMapping("/user")
public class UserController {
@GetMapping
public String getUser(){
return "admin";
}
}
-
测试注册
测试注册
三、服务消费配置
- Maven依赖
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.1.7.RELEASE</version>
<relativePath/>
</parent>
<groupId>com.xtsz</groupId>
<artifactId>consumer</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>consumer</name>
<properties>
<java.version>1.8</java.version>
<spring-cloud.version>Greenwich.SR2</spring-cloud.version>
</properties>
<dependencies>
<!--web-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<!--ribbon-->
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-ribbon</artifactId>
</dependency>
<!--openfeign-->
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-openfeign</artifactId>
</dependency>
<!--nacos 一定要注意版本问题-->
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
<version>0.9.0.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-dependencies</artifactId>
<version>${spring-cloud.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
- 启动类配置
@SpringBootApplication
@EnableDiscoveryClient
public class ConsumerApplication {
@LoadBalanced
@Bean
public RestTemplate restTemplate() {
return new RestTemplate();
}
public static void main(String[] args) {
SpringApplication.run(ConsumerApplication.class, args);
}
}
- 配置
server.port=8020
spring.application.name=service-consumer
spring.cloud.nacos.discovery.server-addr=192.168.247.130:8848
- 控制器配置
@RestController
@RequestMapping("/test")
public class TestController {
@Autowired
private RestTemplate restTemplate;
@RequestMapping(value = "user", method = RequestMethod.GET)
public String getUser() {
return restTemplate.getForObject("http://service-provider/user/", String.class);
}
}
- 测试服务消费
消费服务注册
http://localhost:8020/test/user
服务消费
